verifiedOEM-verifiedOEM-verified · Updated 2026
2021 Acura RDX Oil Capacity
2.0 L engine
With filter5 qtViscosity0W-20
Oil Capacity — With Filter
5
quarts
4.8 liters
Viscosity
oil_barrel0W-20
With oil filter5 qt (4.8 L)
Without oil filter4.6 qt
Recommended viscosity0W-20
OEM oil filterVerify by VIN or OEM parts catalog
Change intervalMaintenance Minder (max 12 months)
Drain plug torque29 ft-lb (40 Nm)
verifiedSource: 2021 Acura RDX Owner's Manual (BTJB2121OM), Recommended Engine Oil p. 547; Changing the Engine Oil and Oil Filter p. 553; Specifications p. 641 · Human-verified
How to Use This Spec
1
Drain old oil completely. Reinstall drain plug, torque to 29 ft-lb.
2
Install a new oil filter and pre-lubricate the gasket with clean oil. If the part number is not listed in your manual, confirm it by VIN.
3
Add 5 quarts of 0W-20 engine oil through the filler cap.
4
Run engine 30 seconds, check dipstick, top off to FULL mark if needed. Reset oil life monitor if equipped.
warningImportant Notes
- • Always verify with your OEM owner's manual. Specifications may vary by trim level and production date.
- • The drain plug gasket should be inspected and replaced if deformed.
Look Up Another Vehicle
Related Tools
Always verify against your OEM owner's manual. Specs may vary by trim and production date.